B57.4Header code — not billable
Chagas' disease (chronic) with nervous system involvement
- Chapter
- 1. Certain infectious and parasitic diseases
- Category
- B57
- Effective date
- October 1, 2026
Related codes in category B57
B57Chagas' diseaseB57.0Acute Chagas' disease with heart involvementYesB57.1Acute Chagas' disease without heart involvementYesB57.2Chagas' disease (chronic) with heart involvementYesB57.3Chagas' disease (chronic) with digestive system involvementB57.30Chagas' disease with digestive system involvement, unspYesB57.31Megaesophagus in Chagas' diseaseYesB57.32Megacolon in Chagas' diseaseYesB57.39Other digestive system involvement in Chagas' diseaseYesB57.40Chagas' disease with nervous system involvement, unspecifiedYesB57.41Meningitis in Chagas' diseaseYesB57.42Meningoencephalitis in Chagas' diseaseYes
Frequently asked questions
What is ICD-10 code B57.4?
B57.4 is an ICD-10-CM diagnosis code for Chagas' disease (chronic) with nervous system involvement.
Is B57.4 a billable code?
No. B57.4 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is B57.4 in?
B57.4 falls under Chapter 1: Certain infectious and parasitic diseases.
When did B57.4 become effective?
B57.4 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to B57.4?
B57.4 belongs to category B57, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.